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Final official word on M-B 420 injecters

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  • #31
    [quote]homestar wrote:
    Originally posted by G-E
    I've been thinking about this "lean cylinder" discussion we had recently... I think that aside from airflow the leanest cylinders would be the front

    reason being fuel delivery come in at the rear... and whatever turbulence or pressure drop in the rail will propogate forward with the flow of fuel, the rears are guaranteed a steady supply of fuel no matter what
    The fronts run the richest. This picture was taken on an N/A with a stock plenum. Keep in mind that the front cylinders get the least amount of air, you'll notice that the valves in the rear are clean while the front is carbonated.
    that's why I said ASIDE FROM AIRFLOW because the front cylinders get the least air and the least fuel

    btw the picture doesn't definitively show anything besides that your engine was rich or misfiring at the front

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